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Capsid bugs can spoil the appearance of plants by giving the foliage a tattered and distorted appearance and causing flower buds to abort. Apple capsid can damage developing fruits.
Capsid damage on artichoke. Credit: RHS/Simon Garbutt.
Capsid bugs are true bugs, there are many species, most do not damage garden plants and some are predatory. A few feed on plant sap at the shoot tips and on flower buds, of a wide range of herbaceous and woody garden plants. These include the common green capsid (Lygocoris pabulinus) and the tarnished or bishop bug (Lygus rugulipennis).
Some capsid bugs have a more restricted host range such as the apple capsid (Plesiocoris rugicollis), which feeds on apple and pear and can damage fruits.
Signs of damage appear from May to early September.
Pesticides for gardeners (Adobe Acrobat pdf document outlining pesticides available to gardeners)
Chemical labels explained
Chemicals: using a sprayer
Chemicals: using safely and effectively
Green shield bugs
Winter moth caterpillars
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The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.